A new letter from 74 lawmakers suggests that civilian casualties will become a focus of investigation if Democrats take control of Congress.

The Philadelphia Police Department said the agents had also sent in a false homicide tip. The incidents led the White House to call for better disclosure of rogue A.I. behavior.

© Caroline Gutman for The New York Times

The U.S. military has drafted options for three days of strikes, but in recent months the president has repeatedly vetoed plans to restart the war.

© Kenny Holston/The New York Times